{"id":"CVE-2021-43555","aliases":["EUVD-2021-30484","GHSA-hq87-gpw4-cg65"],"status":"published","title":"mySCADA myDESIGNER","description":"mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported project file, which may make the product vulnerable to a path traversal payload. This vulnerability may allow an attacker to plant files on the file system in arbitrary locations or overwrite existing files, resulting in remote code execution.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.38241,"percentile":0.98576,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22","CWE-23"],"published":"2021-11-19T18:16:13Z","modified":"2026-06-17T04:11:07Z","products":[{"vendor":"myscada","product":"mydesigner"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-313-04","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43555"},{"url":"https://github.com/advisories/GHSA-hq87-gpw4-cg65"}],"sources":{"cve":[{"id":"CVE-2021-43555","title":"mySCADA myDESIGNER","description":"mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported project file, which may make the product vulnerable to a path traversal payload. This vulnerability may allow an attacker to plant files on the file system in arbitrary locations or overwrite existing files, resulting in remote code execution.","status":"published","published":"2021-11-19T18:16:13.024Z","modified":"2024-09-17T02:41:16.473Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30484","description":"mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported project file, which may make the product vulnerable to a path traversal payload. This vulnerability may allow an attacker to plant files on the file system in arbitrary locations or overwrite existing files, resulting in remote code execution.","status":"published","published":"2021-11-19T18:16:13Z","modified":"2024-09-17T02:41:16Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:38.75517Z"}],"ghsa":[{"id":"GHSA-hq87-gpw4-cg65","title":"mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported...","description":"mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported project file, which may make the product vulnerable to a path traversal payload. This vulnerability may allow an attacker to plant files on the file system in arbitrary locations or overwrite existing files, resulting in remote code execution.","status":"published","published":"2022-05-24T19:21:06Z","modified":"2023-01-27T05:04:17Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-22","CWE-23"],"updated_at":"2026-11-02T14:42:25.677567Z"}],"nvd":[{"id":"CVE-2021-43555","description":"mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported project file, which may make the product vulnerable to a path traversal payload. This vulnerability may allow an attacker to plant files on the file system in arbitrary locations or overwrite existing files, resulting in remote code execution.","status":"published","published":"2021-11-19T19:15:09.217Z","modified":"2026-06-17T04:11:07.683Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-23","CWE-22"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}